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Environmental Chemistry Teaching Lab
Introduction
 
The Environmental Chemistry Teaching Laboratory (ECTL) provides teaching and research capacity in the areas of analytical and environmental chemistry. Scientists identify and measure concentrations of toxic chemicals in many different media including air, water, soil, hazardous waste streams, and biological or human tissues. These efforts require the application or adaptation of existing procedures as well as the development of new analytical methods when required. The cycling of chemical species, the effect of man-made inputs, and environmental analytical methodology are stressed. This laboratory is active in several research areas including emerging contaminants, advanced analytical techniques, and conventional and novel physical-chemical treatment processes for water and waste systems.
 
Available parameters
  • pH
  • Conductivity
  • Temperature
  • Turbidity
  • Total Alkalinity
  • Total Hardness
  • Total Solids (TS)
  • Total Dissolved Solids (TDS)
  • Total Suspended Solids (TSS)
  • Chemical Oxygen Demand (COD)
  • Biochemical Oxygen Demand (BOD)
  • Nitrate-Nitrogen (NO3-N)
  • Sulfate (SO4-2)
  • Phosphates
  • Silicates
  • Chlorides
  • Color
Research projects
  • Biogas production through dry anaerobic digestion of organic solid waste.
  • Development of Titania Nanoparticle coated tape for decontamination of shopping cart handles.
  • Improving NUST’s lake water quality for potable use.
  • Phosphorus removal in Wastewater: A Comparison between Biological v/s Physico-Chemical Processes.
  • Up flow Anaerobic Sludge Blanket Reactor in continuous and intermittent operation treating Textile Wastewater
  • Development of photodegradable polyethylene films for food packaging to increase shelf life of food.
  • Phenolic spent caustic degradation in flat bed photoreactor using TiO2 nanoparticle immobilized on polystyrene beads.
  • Determination of phototoxicity in rice in response to nanoparticle and their impact on animal model
  • Anaerobic digestion of high strength wastewater of distillery and by-products of sugar cane industry to enhance energy balance
  • High Solids Anaerobic Digestion of Sewage Sludge
  • Anaerobic Digestion of Pre-treated Sludge in Pilot Scale Reactor
  • Anaerobic Digestion of High Strength Wastewater from the Distillery and By-products from Sugarcane Industry to Enhance Energy Balance

UV-Vis Spectrophotometer

A spectrophotometer is commonly used for the measurement of transmittance or reflectance of solutions. Tests like determination of Nitrate-Nitrogen (NO3-N), Sulfate (SO4-2), Phosphates, Silicates, Chlorides and Color are conducted on this instrument.

Conductivity meter

A conductivity meter measures the conductivity in a given solution and is used for conductivity determination which a major test for determining water purity.

Water bath

A water bath is a device used to incubate samples in water maintained at a constant temperature. Temperature may be controlled digitally or by a dial and once set, the water bath cycles on and off to ensure constancy of the temperature. It is mostly used in determination of Total Solids, Total Suspended Solids and Total Dissolved Solids.

Incubator

An incubator is a device used to grow and maintain microbiological cultures or cell cultures. The incubator maintains optimal temperature, humidity and other conditions such as the carbon dioxide (CO2) and oxygen content of the atmosphere inside. It is used in determining the Biological Oxygen Demand (BOD) of samples.

Turbidimeter

Turbidity is one of the most commonly used parameters for determining the quality of water. The turbidity value is an important factor in various fields of application such as drinking water, disinfection processes, industrial processes and water treatment plants. It is used in determination of turbidity by nephelometric method.

Oven

An oven is used in sterilization, experiment management, drying, processing, and testing. Mostly used in TDS, TSS and TS determination.

pH meter

It is used to measure hydrogen-ion activity (acidity or alkalinity) in a solution. Mostly used for pH determination in a wide range of experiments.

Vacuum Filtration Assembly with pump

Vacuum filtration Assembly is used for separating a solid product from a solvent or liquid reaction mixture. The mixture of solid and liquid is poured through a filter paper in a Buchner funnel. It is widely used in determination of Total Dissolved Solids and MLSS.

BOD Trak Apparatus

BOD analysis (Biochemical Oxygen Demand) is a chemical procedure for determining the amount of dissolved oxygen consumed by aerobic biological microorganisms in water. BOD analysis is carried out on a given water sample at certain temperature over a specific period. The BOD Trak apparatus features easy set-up, quick sample preparations, no titration dilutions.  This unit gives results directly in mg/l. Mostly used in BOD determination.

Six Paddle Stands Jar Testing Apparatus

The Jar test is a common laboratory procedure used to determine the optimum operating conditions for water or wastewater treatment. Mostly used in determining optimum coagulant dose and chemical requirements for water softening.

Electronic Analytical Balance

It is used in a wide range of experiments for chemicals measuring and solution preparation.

Hot Plate Stirrer

Hot plate stirrers are widely used instruments for numerous applications. Moreover, homogenous mixing can be achieved by this instrument.